Home / 3,776.45-5,665.95-1,179.45

Finding the Fourth Proportional to 3,776.45, 5,665.95 and 1,179.45

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Solution

The fourth proportional to 3,776.45, 5,665.95 and 1,179.45 is: 1,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.45 : 5,665.95 = 1,179.45 : x
  2. Step 2: Convert to fraction form
    3,776.45/5,665.95 = 1,179.45/x
  3. Step 3: Cross multiply
    3,776.45x = 5,665.95 × 1,179.45
  4. Step 4: Simplify right side
    3,776.45x = 6,682,704.73
  5. Step 5: Solve for x
    x = 6,682,704.73/3,776.45
  6. Step 6: Final answer
    x = 1,769.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.